| 1. | What will the unknown devil bring ? 这个摸不透的恶魔会带来什么呢? |
| 2. | List the given information and the unknown quantities . 列出给定数据和未知量。 |
| 3. | What did you say to him in the unknown tongue ? 你刚才用我不懂的话跟他说什么来着? |
| 4. | The thrill of the unknown could not be recaptured . 未知数引起的激动情绪是不可能再有了。 |
| 5. | The physicians at first laughed at the unknown wayfarer . 医生们起先嘲笑这个来历不明的旅行者。 |
| 6. | From that moment she resolved to trace the unknown element . 从那日起,她决心找出这种未知的元素。 |
| 7. | An immediate interest kindled within me for the unknown catherine . 我对于这位素不相识的凯瑟琳顿时发生了兴趣。 |
| 8. | The spirit had not come from any ancestor, it had come out of the unknown . 灵魂不是来自祖先,而是来自未知世界。 |
| 9. | The sunbeams promised life and happiness and the glory of the unknown . 阳光孕育着生命和幸福,孕育着未知的光荣。 |
| 10. | The unknowns in the above equation are referred to the local numbering system . 上述方程中,未知数是属于局部编号系统的。 |